package io.com.phei.netty.nio;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.util.Date;

import javax.xml.ws.handler.MessageContext.Scope;

public class TimeClientHandle implements Runnable {

	private String host;
	private int port;
	private Selector selector;
	private SocketChannel socketChannel;
	private volatile boolean stop;

	public TimeClientHandle(String host, int port) {
		this.host = host;
		this.port = port;

		try {
			selector = Selector.open();
			socketChannel = SocketChannel.open();
			socketChannel.configureBlocking(false);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}

	@Override
	public void run() {
		// TODO Auto-generated method stub

	}


	private void handleInput(SelectionKey key) throws IOException {
		if (key.isValid()) {

			SocketChannel sc = (SocketChannel) key.channel();

			if (key.isConnectable()) {
				if (sc.finishConnect()) {
					sc.register(selector, SelectionKey.OP_READ);
					doWrite(socketChannel);
				} else {
					System.out.println(1);
				}
			}

			if (key.isReadable()) {
				ByteBuffer readBuffer = ByteBuffer.allocate(1024);
				int readBytes = sc.read(readBuffer);
				if (readBytes > 0) {
					readBuffer.flip();
					byte[] bytes = new byte[readBuffer.remaining()];
					readBuffer.get(bytes);
					String body = new String(bytes,"UTF-8");
					System.out.println("Now is :" + body);
					this.stop =true;

				}else if (readBytes <0){
					key.cancel();
					sc.close();
				}else{
					//
				}
			}
		}

	}

	private void doConnect() throws IOException {
		if (socketChannel.connect(new InetSocketAddress(host, port))) {
			socketChannel.register(selector, SelectionKey.OP_READ);
			doWrite(socketChannel);
		}else{
			socketChannel.register(selector,SelectionKey.OP_CONNECT);
		}
	}
	
	private void doWrite(SocketChannel sc) throws IOException {
		byte[] req = "QUERY TIME ORDER".getBytes();
		ByteBuffer writeBuffer = ByteBuffer.allocate(req.length);
		writeBuffer.put(req);
		writeBuffer.flip();
		sc.write(writeBuffer);
		if (!writeBuffer.hasRemaining()) {
			System.out.println("Send order 2 werver succeed.");
		}
	}
	
}
